/// <summary>
/// 设置循环Timer
/// </summary>
/// <param name="period">循环间隔时间，单位：毫秒</param>
/// <param name="callBack">回调函数</param>
/// <param name="key">回调参数</param>
/// <returns>该循环Timer唯一ID Int64.MinValue表示失败</returns>
public Int64 SetLoopTimer(Int32 period, OnTimerCallBack callBack, Int32 int32Data = 0, Int64 int64Data = 0, Object objData = null)
{
if (period < 100 || m_state != 1)
{
return(Int64.MinValue);
}
// 获取该循环Timer唯一ID
Int64 timerId = Interlocked.Increment(ref m_timerIdGenerator);
CancellationTokenSource cts = new CancellationTokenSource();
// 创建该循环Timer
TimerNode timerNode = new TimerNode(timerId, period, cts, callBack, int32Data, int64Data, objData);
// 创建该Timer循环任务
timerNode.m_task = TimerWorkerProc(cts.Token, timerNode);
// 尝试添加
Boolean bRet = m_loopTimers.TryAdd(timerId, timerNode);
if (!bRet)
{
throw new Exception("fail to TryAdd timerPair in _loopTimers timerid = " + timerId.ToString());
}
// _log.InfoFormat("SetLoopTimer {0} {1} is start", timerId, period.ToString());
return(timerId);
}
/// <summary>
/// 单个TimerNode的循环Timer工作
/// </summary>
/// <param name="cancelToken">控制取消对象</param>
/// <param name="timerNode">单个TimerNode对象</param>
/// <returns></returns>
private async Task TimerWorkerProc(CancellationToken cancelToken, TimerNode timerNode)
{
// 检查工作状态
if (1 != m_state)
{
return;
}
try
{
Int64 currentTimeTick = 0;
Int64 delayMillSeconds = 0;
// 没有收到取消请求时
while (!cancelToken.IsCancellationRequested)
{
// 获取处理开始时间毫微秒
currentTimeTick = DateTime.Now.Ticks;
// 第一次设置时间
if (timerNode.m_nextCallTime == 0)
{
timerNode.m_nextCallTime = currentTimeTick + timerNode.m_period * 10000;//*10000 转换成tick单位
}
if (currentTimeTick >= timerNode.m_nextCallTime)
{
try
{
timerNode.MakeTimerCall();
}
catch (Exception ex)
{
Log.Error("TimerManager::TimerWorkerProc catch Exception0: " + ex.ToString());
}
timerNode.m_nextCallTime = currentTimeTick + timerNode.m_period * 10000;
}
// 获取处理结束时间毫秒
delayMillSeconds = timerNode.m_nextCallTime - DateTime.Now.Ticks;
if (delayMillSeconds > 10000000) // 大于1秒休息一秒
{
await Task.Delay(1000);
}
else if (delayMillSeconds > 10000)// 否则休息指定时间
{
await Task.Delay((int)delayMillSeconds / 10000);
}
}
Log.Info("TimerManager::TimerWorkerProc stop timerid=" + timerNode.m_id);
}
catch (Exception ex)
{
Log.Error("TimerManager::TimerWorkerProc catch Exception1: " + ex.ToString());
}
}
/// <summary>
/// 移除一个循环Timer
/// </summary>
/// <param name="id">该循环Timer唯一ID</param>
/// <returns>成功：该循环Timer唯一ID，失败：负值</returns>
public Boolean UnsetLoopTimer(Int64 timerId)
{
TimerNode timerNode = null;
// 先从容器内移除
Boolean ret = m_loopTimers.TryRemove(timerId, out timerNode);
// 对timer执行cancel操作
if (null != timerNode)
{
timerNode.CancelTask();
}
return(ret);
}